XL FERTILIZERS are manufactured from the finest feed grade materials. Chlorides and Sulfates are not used.

tracer dye and penetrants:

XL FERTILIZERS contain a tracer dye for convenience and visibility of application.
Special penetrants are incorporated to improve distribution and absorption by foliage and roots.

The Doggett Corporation has manufactured horticultural products since 1930. We pioneered the use of water soluble fertilizers and foliar feeding prior to WWII and have manufactured the leading consumer brands of water soluble fertilizers for other suppliers since that time.

Our XL FERTILIZERS are sold with a guarantee of satisfaction based on years of experience.